Walmart offers the PNY Turbo Performance 64GB Class 10 microSDXC Card, model no. P-SDUX64U190-GE, for $24.99. (Amazon offers it for the same price for Prime members.) Choose in-store pickup to avoid the $4.18 shipping charge. That's tied with last week's mention as the lowest total price we've seen. (It's a current low by $5.)